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KMID : 1141120210070020099
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The Nerve
2021 Volume.7 No. 2 p.99 ~ p.102
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Acute Paraplegia Due to Nucleus Herniation of a Mobi-C Implant without Trauma: Case Report of a Rare Complication
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Song Sung-Kyu
Jung Jong-Myung
Kim Woo-Kyung
Lee Sang-Gu
Ahn Yong
Son Seong
Yoo Byung-Rhae
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Abstract
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Cervical artificial discs (CADs) are a surgical option in selected patients with cervical spinal disc degeneration. Although CADs have been available for many years, concerns persist regarding long-term safety, durability, and implant-related failure. We report a case of nucleus herniation of a Mobi-C implant without trauma, which is a rare complication. Two years after implantation of a Mobi-C implant, a 47-year-old man presented with acute paraplegia without a history of trauma. On cervical magnetic resonance imaging, a T2-high signal intensity lesion was noted in the ventral aspect of the spinal cord at the T1-2 level. During emergent surgery, nucleus herniation of the Mobi-C was detected. After surgery, the patient could walk without assistance. Posterior herniation of the Mobi-C nucleus without trauma is a rare complication that should be considered in surgical planning and follow-up.
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KEYWORD
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Arthroplasty, Cervical vertebrae, Intervertebral disc, Paraplegia
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